Full version (v1.4.1):* Fix leaderboard: if player nickname is null, returns player name* Change leaderboard: separator "," change to " &,& "* Add expression getSeparatorValue (avoid to write the separator each time)* Update Support for nw.js 0.18.3 to 0.18.5* Update Support for nw.js 0.17.1 to 0.17.6* Add Support for nw.js 0.19.0-beta1